FR740405A - Improvements to electric oscillation generators - Google Patents
Improvements to electric oscillation generatorsInfo
- Publication number
- FR740405A FR740405A FR740405DA FR740405A FR 740405 A FR740405 A FR 740405A FR 740405D A FR740405D A FR 740405DA FR 740405 A FR740405 A FR 740405A
- Authority
- FR
- France
- Prior art keywords
- electric oscillation
- oscillation generators
- generators
- electric
- oscillation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000010355 oscillation Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/02—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
- H01J31/04—Cathode ray tubes; Electron beam tubes having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused with only one or two output electrodes with only two electrically independant groups or electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/02—Electron-emitting electrodes; Cathodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
- H01J25/02—Tubes with electron stream modulated in velocity or density in a modulator zone and thereafter giving up energy in an inducing zone, the zones being associated with one or more resonators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB21591/31A GB382638A (en) | 1931-07-28 | 1931-07-28 | Improvements in or relating to electrical oscillation generators |
| DEM120567D DE614181C (en) | 1931-07-28 | 1932-07-29 | Ultra-short wave generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR740405A true FR740405A (en) | 1933-01-26 |
Family
ID=10165483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR740405D Expired FR740405A (en) | 1931-07-28 | 1932-07-23 | Improvements to electric oscillation generators |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2027017A (en) |
| DE (1) | DE614181C (en) |
| FR (1) | FR740405A (en) |
| GB (1) | GB382638A (en) |
| NL (1) | NL35854C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE740992C (en) * | 1935-03-13 | 1943-11-02 | Fernseh Gmbh | Cathode ray tubes for generating short or ultra-short vibrations |
| US2704336A (en) * | 1951-01-03 | 1955-03-15 | Kazan Benjamin | Pulse counting tube |
| US7560716B2 (en) * | 2006-09-22 | 2009-07-14 | Virgin Islands Microsystems, Inc. | Free electron oscillator |
-
1931
- 1931-07-28 GB GB21591/31A patent/GB382638A/en not_active Expired
-
1932
- 1932-07-19 US US623389A patent/US2027017A/en not_active Expired - Lifetime
- 1932-07-21 NL NL61943A patent/NL35854C/xx active
- 1932-07-23 FR FR740405D patent/FR740405A/en not_active Expired
- 1932-07-29 DE DEM120567D patent/DE614181C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE614181C (en) | 1935-06-03 |
| US2027017A (en) | 1936-01-07 |
| NL35854C (en) | 1935-07-15 |
| GB382638A (en) | 1932-10-28 |
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